Physics, 01.09.2019 17:30 Jadaaaaaaan
Which statement best describes the difference between how mirrors and lenses interact with light?
a. mirrors form images by refracting light; lenses do not.
b. mirrors form images by reflecting light; lenses do not.
c. mirrors bring light to a point; lenses do not.
d. mirrors spread light apart; lenses do not.
Answers: 2
Physics, 22.06.2019 10:30
The uniform slender bar rests on a smooth horizon- tal surface when a force f is applied normal to the bar at point a. point a is observed to have an initial acceleration aa of 20 m/s2, and the bar has a corre- sponding angular acceleration of 18 rad /s2. deter- mine the distance b.
Answers: 1
Physics, 22.06.2019 13:50
The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
Answers: 2
Physics, 22.06.2019 23:00
Which scientist was the first to propose the heliocentric model of the universe? a. aristotle b. isaac newton c. galileo galilei d. nicolaus copernicus
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Which statement best describes the difference between how mirrors and lenses interact with light?
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